61results about How to "Does not affect the position" patented technology

The invention relates to a TFT-LCD color film / array baseplate, a liquid crystal display panel and a manufacturing method thereof. The TFT-LCD color film / array baseplate comprises a first baseplate, a color film layer, a transparent layer and an array structural layer, wherein the array structural layer is formed on the transparent layer or another surface of the first baseplate. In the method, the color film structure is formed in the first baseplate; an array structure is formed at any side; the integrated color film / array baseplate is finally formed; and the method prevents that the color film / array baseplate has dislocation and other problems caused by flapping and the like in order to obviously improve the image quality and also reduces contraposition error of box process generated by a color film / array baseplate in the prior process in order that a black matrix and an array of the color film / array baseplate can realize good contraposition, thereby properly reducing the shielding area of the black matrix in design, increasing the aperture ratio of unit pixel, improving the brightness and other properties of a display screen and strengthening the quality of image display of TFT-LCD.

The invention discloses a nanofluid minimum quantity lubrication experimental system and method for ultrasonic vibration auxiliary grinding. The system comprises a magnetism worktable, a workpiece clamp, a measuring cell and an ultrasonic vibration device; the ultrasonic vibration device comprises a tangential ultrasonic vibration device, an axial ultrasonic vibration device, a vibrating base and radial piezoelectric ceramic pieces fixed on the vibrating base; the tangential ultrasonic vibration device and the axial ultrasonic vibration device are respectively fixed on the vibrating base and meanwhile, are respectively fixed on the magnetism worktable by supports, the measuring cell is fixed on the vibrating base and the workpiece clamp is fixed on the measuring cell. The nanofluid minimum quantity lubrication experimental system and method for ultrasonic vibration auxiliary grinding have the advantages that simultaneous online detection of a grinding force and a grinding temperature are realized, time is saved, and the machining errors caused by assembling for multiple times are also avoided.

The invention belongs to the aircraft strength test technology, and relates to a chuck-type wing loading device, which includes a pulling plate bolt, a pulling plate, a loading chuck, a loading wood block, a square rubber pad, a chuck compression bolt, a chuck connecting bolt, a bush, a spring washer, a rear spar, a wing profile, a rear spar actuator cylinder, a front spar and a front spar actuator cylinder. The invention is solid in mounting, the test load is accurately applied, the front spar load applying and the rear spar load applying are not influenced by each other, the device weight is accurately deducted, and the device does not increase the vertical stiffness of the wing profile.

A pallet bin device comprises a supporting frame. A lifting machine and a conveyer line are arranged in the supporting frame. A guide mechanism is arranged on the top of the supporting frame. A horizontal movement mechanism is arranged on the guide mechanism. The bottom of the horizontal movement mechanism attracts a pallet mechanical arm through an electromagnet. A lifting mechanism is further arranged on the portion, above the conveyer line, of the supporting frame. The lifting frame comprises a counter weight, a vertical rail, a roller assembly, a steel wire rope, a fixed pulley and limiting guide wheels. The roller assembly is fixed to the side wall of the pallet mechanical arm. When the pallet mechanical arm horizontally moves to the position over the conveyer line, the roller assembly can enter the vertical rail, one end of the steel wire rope is perpendicularly connected with the pallet mechanical arm through the limiting guide wheel, the other end of the steel wire rope is wound around the fixed pulley to be connected with the counter weight, and the weight of the counter weight is larger than that of the pallet mechanical arm and smaller than the sum of the weight of the pallet mechanical arm and the weight of one pallet. According to the pallet bin device, ascending and descending of the lifting mechanism are achieved through weight difference, the requirement for the load capacity of the pallet mechanical arm is lowered, and when one pallet is fed, the positions of other pallets cannot be influenced.

The invention discloses a vehicle dynamic real-time monitoring system and a monitoring method, wherein the monitoring system includes a front-end sensing device, including at least one group of sensors arranged on the frame of the vehicle or on the spring steel plate of the vehicle suspension system; Monitoring terminal, including signal processing module, satellite positioning module, video monitoring module, wireless transmission module; background data processing device, including data storage module, data query module, data analysis module; its monitoring methods include installation preparation, real-time monitoring, processing information . The monitoring system can effectively realize real-time monitoring of vehicle information, including vehicle driving trajectory, driving time, real-time load or weight change, vehicle video information, vehicle driving status, and life corresponding to the spring amplitude frequency, etc., to achieve a more comprehensive and accurate vehicle monitoring. Real-time monitoring; its monitoring method can realize more comprehensive, accurate and real-time monitoring and guidance of vehicles, and improve the guarantee of safe driving.

The invention discloses a remediation depth adjustable ecological soil remediation agent injection device, which comprises a fixing plate, a motor, a liquid agent inlet and a guide rail; the supporting plates are fixed to the edges of the two sides of the fixing plate, a solid agent inlet is formed in the top of an agent box, and a motor shaft is rotatably connected to the bottom of the motor; a fixed cavity is formed in the chemical box, the liquid chemical inlet is formed in the side face of the chemical box, a motor shaft is connected with a movable cylinder through a belt wheel mechanism,an injection pipe is movably connected to the bottom of the movable cylinder, a limiting rod is fixed to the end of a movable plate, and a through hole is reserved in a connecting plate on the outer side of the limiting rod. According to the ecological soil remediation agent injection device with the adjustable remediation depth, contaminated soil can be directly remediated; in addition, the agentinjection depth can be adjusted according to remediation requirements, the comprehensive uniformity of remediation can be guaranteed, and the soil remediation efficiency is improved.

The invention brings forward a movable narrow crack blade, which is used to form an exposure field size of a mask aligner. The movable narrow crack blade comprises a light-passing plate and a light absorption plate along the incident light direction. The light-passing plate is used for conducting incident light and the light absorption plate is used for absorbing incident light. A reflection prism is also arranged at the side of the light-passing plate and the light absorption plate. There is spacing between the reflection prism and the light-passing plate, reflecting the incident light into the light-passing plate and the light absorption plate. The movable narrow crack blade provided by the invention has advantages of position accuracy and adjustable performance, will not influence exposure precision, and has high maintainability.

The invention relates to a test bed for realizing fuse of a nuclear magnetic resonance imaging and an in-vivo visible light three-dimensional image of an animal. The test bed comprises a test bed body and an animal fixing device arranged on the test bed body, the test bed body is provided with a marker hole on which a nuclear magnetic resonance imaging marker is packaged, and the test bed body is also provided with a penetrating hole for fluorescence transmission and three-dimensional imaging. According to the invention, the marker on the marker hole can be captured by a nuclear magnetic resonance imaging system and an in-vivo visible light three-dimensional imaging system, and thus the fuse of a nuclear magnetic resonance imaging and an in-vivo visible light three-dimensional image of an animal can be realized.

The invention relates to a top-mounted low temperature floating ball valve which comprises a valve body (1), a spherical valve core (4) and a fixator (6). The valve body (1) is provided with an inlet (2) and an outlet (3); a cavity is formed inside the valve body (1); the spherical valve core (4) is arranged in the cavity; the spherical valve core (4) is provided with a through passage (5) in the horizontal direction; the spherical valve core (4) can rotate around the vertical axis of the spherical valve core; the fixator (6) is arranged in the cavity and is positioned on the side of the spherical valve core (4), which is close to the outlet (3); a ring-shaped groove of the fixator (6) is provided with an outlet side valve seat (7); the outlet side valve seat (7) is in sealed contact with the spherical valve core (4); the outer wall of the fixator (6) is directly and fixedly connected with the valve body (1) in a gapless manner. According to the top-mounted low temperature floating ball valve disclosed by the invention, no leakage point exists between the fixator and the valve body, the valve has good sealing performance and the top-mounted low temperature floating ball valve is safe and reliable.

A disclosed atmospheric environment pollution effect test box comprises a gas generator, a motor, a light source, a heating wire and a water outlet, the gas generator is installed on the inner top surface of a box body through bolts, fan blades are fixedly installed on the outer side of a motor shaft, and air outlet holes are reserved in the inner wall of a partition plate; and two ends of the motor shaft are connected with the connecting shaft through a first belt wheel mechanism and a second belt wheel mechanism correspondingly, the heating wire is fixedly installed on the side face of a protection box, the outer side of the motor shaft is sleeved with conical teeth, a transmission shaft penetrates through the conical teeth, a fixing pipe is arranged on the other side of the box body, and a floating plate is arranged at the end of a supporting rod in a sleeving mode. According to the atmospheric environment pollution effect test box, gas and moisture can be uniformly distributed in the test box, so that the accuracy of experimental data is improved, electric driving equipment can be reduced while the same purpose is achieved, and meanwhile, water in the test box can be conveniently discharged in time.

The invention discloses a miniature portable multifunctional wireless body feeling capture control system which consists of a wireless body feeling capture control end and a wireless receiving end. The wireless body feeling capture control end comprises a data and charging interface, an electrostatic discharge protection module, an interface integration main processor unit, a body feeling processing module, a left proximity switch, a right proximity switch, an elastic sliding switch, a display module, a charging and power management module, a wireless receiving and emitting module, a 3-axis gyroscope, a 3-axis accelerometer, a 3-axis magnetometer and a temperature sensor; and the wireless receiving end comprises a data interface, an electrostatic discharge protection module, an interface integration main processor unit and an wireless receiving and emitting module. The miniature portable multifunctional wireless body feeling capture control system has the advantages that reference axes of the 3-axis gyroscope, the 3-axis accelerometer and the 3-axis magnetometer are subjected to accurate matching, so that the system can perform accurate capture on a body feeling action; and because a traditional light emission and receiving principle is not depended on and mechanical keys are not adopted, limo limit and palm occupation are reduced in use.

The invention discloses a presser foot device. The device comprises a base and a motor, one end of a motor shaft is connected with a presser foot through a presser foot transmission mechanism, the other end of the motor shaft is connected with a brush through a brush transmission mechanism, the brush transmission mechanism comprises a rotary plate, the rotary plate is installed on the motor shaft,a control groove is formed in the rotary plate, the control groove comprises an avoiding section, an adjusting section and a holding section, a sliding shaft is arranged in the control groove, a brush swinging rod is connected with the sliding shaft, a brush is installed on the brush swinging rod, the middle of the brush swinging rod is fixed on the base, and a pressure sensor used for detectingthe pressure between the presser foot and the presser foot transmission mechanism is arranged on the presser transmission mechanism; functions of pressing coils and opening needle latches are achievedby the presser foot device, and when the pressing depth of the coils pressed by the presser foot is rotatably adjusted by the motor, the opening of the needle latches of knitting needles can be ensured by the designing of the holding section; when yarns are excessively tight, the variation of the pressure can be detected by the pressure sensor to replace the presser foot, and therefore the bumping of beating needles by the knitting needles and the presser foot caused by the deformation of the presser foot is avoided.

The invention relates to the technical field of sewing equipment, and discloses a sewing mechanism and an abdominal pad sewing device applying the same. The abdominal pad sewing device comprises an automatic sewing machine, a pushing mechanism and a clamping device; the clamping mechanism is used for clamping a fabric to be sewn; the automatic sewing machine is used for sewing the fabric; the clamping device is fixedly arranged on the pushing mechanism; the pushing mechanism is used for driving the clamping device to move relative to the automatic sewing machine in the sewing direction, and is characterized in that the clamping device comprises a main clamping unit, an auxiliary clamping unit and a distance adjusting unit; the main clamping unit and the auxiliary clamping unit are oppositely arranged, and the auxiliary clamping unit is fixedly arranged on the distance adjusting unit; and when the automatic sewing machine is used for sewing, the distance adjusting unit drives the auxiliary clamping unit to get close to the main clamping unit, so that the fabric to be sewn between the main clamping unit and the auxiliary clamping unit is in a loose or wrinkled state. The device can ensure that a sewing needle can be more accurately sewn to the overlapped part of the edges of the fabric during sewing of the fabric, so that the percent of pass of finished products during manufacturing of the abdominal pad can be increased.

The invention relates to a liftable universal wheel. The liftable universal wheel comprises a roller device and a lifting device which are connected with an instrument through a bottom plate; the lifting device comprises a threaded seat and a circular hole seat which are arranged at the bottom plate up and down sequentially; the threaded shaft vertically penetrates through the threaded seat and the circular hole seat and is connected with a foot pad below; the roller device comprises a roller seat which sleeves the threaded shaft and is located between the circular hole seat and the foot pad;and a roller is connected with the roller seat through a roller shaft. The liftable universal wheel has the beneficial effects that a machine tool can move on the ground in a rolling manner through the roller; after the instrument is in place, the height of the instrument is adjusted within a certain scope through the threaded shaft; and the requirements for movement, height adjustment and horizontal adjustment of a heavy-duty tool to be moved frequently are met.

The invention relates to a carriage performance detection method and a carriage performance detection system based on laser measuring displacement. According to the method, the distances among a laserdisplacement sensor and carriage walls are automatically detected by the aid of the laser displacement sensor, detection accuracy is ensured, the laser displacement sensor is placed on a supporting component outside a carriage, so that the laser displacement sensor is supported and fixed, the position of the laser displacement sensor cannot be affected by deformation of the carriage walls, the reference position of a reference substance is not changed in the whole test process, errors caused by change of the reference position are removed, a plurality of detection points are selected from thecarriage walls, remaining deformation of the carriage is measured by the laser displacement sensor, a difference value between two measurement data before and after carriage deformation of the same laser displacement sensor is remaining deformation of a corresponding position measured by the laser displacement sensor, a maximum value measured by the laser displacement sensor is the remaining deformation of the carriage, and the data acquisition requirements for surface deformation of various van type truck carriages are met.

The invention discloses a manufacturing method of a personalized lingual orthodontic appliance, which comprises the following steps: (1) taking a digital dental model of a patient, and arranging teethon the digital dental model to obtain a dentition model with an ideal normal dentition shape; (2) designing continuous and smooth strip-shaped wires according to the dentition shape of the dentitionmodel; (3) opening the die by using a die manufacturing process to manufacture a bracket body; (4) designing a personalized lingual bracket bottom plate model according to the position relationship between the bracket body and the lingual side surface of the tooth and the shape of the lingual side surface of the tooth; (5) welding the bracket body and the bracket bottom plate into an integral bracket; and (6) applying the bracket and the strip-shaped wire to clinical orthodontics. According to the invention, the bracket body is prepared by a mold process, the non-standard bracket bottom plateis prepared by a 3D printing technology, and then the bracket bottom plate and the bracket body are welded, so that the precision of the bracket groove, especially the right-angle part in the groove,is improved, an arch wire is convenient to install, the stress of teeth is close to an ideal state, and the teeth can be controlled to move in a three-dimensional direction.

The present invention is in the field of a vacuum transfer assembly, such as for cryotransfer, and specifically a TEM vacuum transfer assembly, which can be used in microscopy, a sample holder, a vacuum housing, a sample holder stage and a sample holder coupling unit for use in the assembly, and a microscope comprising said assembly as well as a method of vacuum transfer into a microscope.

The invention discloses a device and a method for drying and smoking meat food. The device comprises a device base, an outer drying and smoking body, a rotary inner drum, a drying rotary motor, a speed reducer, a drive shaft and a control box. The rotary inner drum is wholly located in the outer drying and smoking body and supported by a support roller in the outer drying and smoking body, and a rotary end of the rotary inner drum extends out of the outer drying and smoking body. The device can be used for drying and smoking the meat food, meat in the rotary inner drum is in a circular rollingstate during process, hot air or smoke enters from the periphery of the rotary inner drum, and the meat in all positions of the inside can be treated well in the manner. After the hot air and the smoke enter the rotary inner drum from a dry hot air inlet end, the hot air or the smoke circulate in the rotary inner drum and then is discharged from a dry air outlet end, and the condition that the meat quality is affected due to poor circulation of the hot air or the smoke can be prevented.

The invention belongs to the technical field of liquid pressing machines, and particularly relates to a small liquid pressing machine, which comprises a shell, a support, a driving mechanism, a filter pressing plate adjusting mechanism, filter pressing plates, a driving belt and a filter belt. After the distance and the angle of the filter pressing plates are adjusted through the adjusting mechanism, the upper ends of the filter pressing plates are supported through an extrusion supporting mechanism; the filter pressing plate is prevented from being damaged when the filter pressing plate is long, the lower part is fixed, and the upper part is subjected to large extrusion force; during supporting, a first screw rod is rotated, so that a thread area of the first screw rod is matched with a thread area on the thread bushing, the first screw rod is locked through a thread self-locking function, and the front end of the first screw rod plays a role in supporting the filter pressing plate; when the first screw rod is in threaded fit with the threaded sleeve, only a small angle needs to be matched, and the specific position of the filter pressing plate is not influenced.

The invention relates to the field of building construction, and discloses a connecting structure for a fabricated building component. The connecting structure comprises an annular sleeve sleeving theperiphery of the building component, the bottom of the annular sleeve is fixedly connected with a cylinder, the peripheral wall of the cylinder is in threaded connection with a limiting cylinder, theinner diameter of the bottom of the limiting cylinder is gradually reduced in the direction away from the annular sleeve, a plurality of limiting rods sliding in the radial direction are arranged atthe bottom of the annular sleeve, the bottom ends of the limiting rods extend out of the limiting cylinder, wedge-shaped blocks are fixedly connected to the limiting rods, and the wedge faces of the wedge-shaped blocks make contact with the inner wall of the bottom of the limiting cylinder. According to the connecting structure, the two to-be-welded building components can be rapidly aligned, stagger welding is avoided, therefore the problem that the bearing capacity is reduced due to the stagger welding is avoided, and the device is simple in structure and convenient to use in a constructionsite.

The invention discloses a clamping detection device of a miniature bearing nylon retainer. The device comprises a base and at least two pressing rods, the base is provided with a positioning column, the positioning column is provided with an elastic piece used for making the pressing rods abut against the interiors of to-be-positioned nylon retainer pockets, one ends of the pressing rods are connected with the positioning column through the elastic pieces, and the other ends of the pressing rods are arranged in a ball head mode. The integral structure is simple and reasonable, and the nylon retainer is effectively clamped.

The invention belongs to the technical field of liquid pressing machines, and particularly relates to a small-size liquid pressing machine for liquid removal, the machine comprises a shell, a bracket, a driving mechanism, a filter pressing plate adjusting mechanism, filter pressing plates, a driving belt and a filter belt. According to the machine, the width of the Z-shaped groove is gradually reduced from top to bottom, the Z-shaped groove is vertically distributed, and the opposite surfaces of the filter pressing plates are obliquely distributed, so that the Z-shaped groove is gradually deepened from top to bottom, i.e. the width of the Z-shaped groove is gradually reduced from top to bottom, the depth of the Z-shaped groove is gradually deepened, the cross section of the Z-shaped groove is gradually increased on the whole, the extruded liquid is less and less closer to blanking, so that the width of the Z-shaped groove is gradually reduced from top to bottom, but in order to guarantee liquid flowing, the cross section of the Z-shaped groove is gradually increased. The Z-shaped groove is designed to prevent the driving belt from entering the groove after being reversely extruded by materials, and liquid extrusion is not affected.

The invention discloses a reclosing mechanism of a residual-current circuit breaker. The reclosing mechanism of the residual-current circuit breaker is provided with an outer frame, wherein the outer frame is fixedly arranged on a circuit breaker outer cover with a handle. The wire inlet end and the wire outlet end of the handle are respectively provided with a handle drive piece. One end of each handle drive piece penetrates through a lateral wall of the outer frame in a clearance mode and stretches outside. The other end, located on the handle wire inlet end side, of a first handle drive piece is coaxially and fixedly connected with a first rotating disc, and the first rotating disc is connected with a motor in a rigid mode. One end of the first handle drive piece is connected with one end of a rotating piece through a first connection rod, and the other end of the rotating piece is connected with a second reset spring ensuring that the rotating piece rotates towards the direction of the wire outlet end. A second handle drive piece is connected with one end of a second connection rod, and the other end of the second connection rod is provided with a protruded rivet shaft and is connected with a first reset spring ensuring that the second connection rod rotates towards the direction of the wire outlet end. A handle is driven by handle drive pieces to open or close the circuit breaker. After the circuit breaker is closed, the two handle drive pieces are respectively located outside the operating range of the handle, and the working state is still indicated by the handle.

The invention relates to the field of machining, and provides an automatic welding assembly line machine tool. The automatic welding assembly line machine tool comprises a body and further comprises amain material feeding mechanism, an auxiliary material feeding mechanical arm, a main material discharging mechanism, an auxiliary material preparing mechanism and a welding mechanism, all of which are arranged on the body. The main material feeding mechanism is used for conveying main materials to the welding position. The auxiliary material preparing mechanism is used for conveying auxiliary materials to a material preparing position. The auxiliary material feeding mechanical arm is used for conveying the auxiliary materials at the material preparing position to the welding position. The welding mechanism is used for welding the auxiliary materials to the main materials. The main material discharging mechanism is used for conveying the material materials away from the welding position.The automatic welding assembly line machine tool can achieve automatic workpiece welding, the operation efficiency is improved, and the operation cost is reduced; and meanwhile, the operation precision can be improved, and the integral reliability and stability of the device are high.

The invention discloses a rapid and reliable heat conduction material separating mechanism which comprises a base, a label bearing seat, an elastic movable suction nozzle and a suction nozzle seat. The label bearing seat is arranged on the base, the elastic movable suction nozzle is located above the label bearing seat, the suction nozzle seat is used in cooperation with a mechanical arm, and the elastic movable suction nozzle directly faces the upper surface of the label bearing seat to suck a heat conduction material. A pressing mechanism for separating an auxiliary heat conduction material from the adjacent heat conduction material is arranged on the suction nozzle seat. A pneumatic jacking column used for jacking out the heat conduction material upwards is arranged in the label bearing seat, a guide hole used for the pneumatic jacking column to move up and down is formed in the label bearing seat, and an air channel communicating with the guide hole is formed in the position, below the guide hole, of the label bearing seat. The heat conduction materials are separated through the elastic movable suction nozzle and the pneumatic jacking column, the adjacent heat conduction materials are pressed through the pressing mechanism, separation of single materials can be rapidly and reliably achieved, meanwhile, the positions of the adjacent materials are not affected, the suction success rate is greatly increased, and material waste is reduced.

The invention discloses an atmospheric environment pollution effect test chamber, which comprises a gas generator, a motor, a light source, a heating wire and a drain outlet. Fan blades are installed, and air outlet holes are reserved on the inner wall of the partition plate. The two ends of the motor shaft are respectively connected to the connecting shaft through the first pulley mechanism and the second pulley mechanism, and the heating wire is fixedly installed in the protective box. The side of the motor shaft is provided with bevel gears on the outside of the motor shaft, the drive shaft runs through the inside of the bevel gears, the other side of the box is provided with a fixed tube, and the end of the support rod is sleeved with floating board. The atmospheric environmental pollution effect test chamber can evenly distribute gas and moisture in the test chamber, thereby improving the accuracy of experimental data, and can achieve the same purpose while reducing electric drive equipment, and at the same time, it is convenient for moisture in the test chamber Discharge in time.

The invention belongs to the technical field of medical instruments, and discloses a thrombus filter which comprises a conveying structure, a filter part and a guide wire, the conveying structure comprises a first tube body and a conveying part, and the filter part has a first working state in which the filter part is unfolded and attached to the blood vessel wall and a second working state in which the filter part is contracted in the first tube body. A first opening and a second opening are formed in the two ends, along the upstream and downstream of blood flowing, of the filter part respectively, the conveying part can push the filter part to push the filter part out of the first tube body, and the filter part can restore to the first working state from the second working state; the protruding part is located on the side, away from the conveying part, of the first opening, the diameter of the protruding part is larger than that of the first opening and smaller than that of the second opening, and when the filtering part is in the first working state, the guide wire can move in the filtering part, thrombus can be effectively filtered, and meanwhile it is guaranteed that the guide wire has an enough movement range; the vascular wall is prevented from being scratched by the filter.

The invention relates to a silicon chip taking and placing device. A sucking disc is fixed on a connecting seat, a plurality of air holes are formed in the sucking disc, and a concave cavity is formed in the connecting seat; a lower end cover is fixed on the connecting seat, and a lower vent hole is formed in the center of the lower end cover and communicated with the concave cavity; a valve body is fixed on the lower end cover, an annular air inlet cavity is formed in the valve body, a middle vent hole is formed in the center of the valve body, the annular air inlet cavity is isolated from the middle vent hole through an annular wall, and an air inlet gap is reserved between the bottom part of the annular wall and the top part of the lower end cover; an upper end cover is fixed on the valve body, an upper vent hole is formed in the center of the lower part of the upper end cover, and at least two oblique exhaust holes are formed in the upper part of the upper end cover; a first joint is connected to one side of the valve body and is communicated with the annular air inlet cavity in the valve body; and a second joint is connected to the other side of the valve body and is communicated with the concave cavity in the connecting seat through a second air inlet passage. The silicon chip taking and placing device disclosed by the invention is skilful and reasonable in structure, and can not influence the positions of silicon chips beside a sucked silicon chip when sucking and releasing the silicon chip.